Cresol red

CAS Registry Number®

1733-12-6

CAS Name

Cresol red

Molecular Formula

C21H18O5S

Molecular Mass

382.43

Cite this Page

Cresol red.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=1733-12-6 (retrieved 2024-11-22) (CAS RN: 1733-12-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    >300 °C

Source(s)

  • (1) PhysProp data were obtained from Syracuse Research Corporation of Syracuse, New York (US)

Other Names and Identifiers

InChI

InChI=1S/C21H18O5S/c1-13-11-15(7-9-18(13)22)21(16-8-10-19(23)14(2)12-16)17-5-3-4-6-20(17)27(24,25)26-21/h3-12,22-23H,1-2H3

InChIKey

InChIKey=OBRMNDMBJQTZHV-UHFFFAOYSA-N

SMILES

O=S1(=O)OC(C=2C1=CC=CC2)(C3=CC(C)=C(O)C=C3)C4=CC(C)=C(O)C=C4

Canonical SMILES

O=S1(=O)OC(C2=CC=C(O)C(=C2)C)(C3=CC=C(O)C(=C3)C)C=4C=CC=CC41

Other Names for this Substance

  • Phenol, 4,4′-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2-methyl-
  • o-Cresol, 4,4′-(3H-2,1-benzoxathiol-3-ylidene)di-, S,S-dioxide
  • o-Cresolsulfonephthalein
  • Phenol, 4,4′-(3H-2,1-benzoxathiol-3-ylidene)bis[2-methyl-, S,S-dioxide
  • o-Toluenesulfonic acid, α-hydroxy-α,α-bis(4-hydroxy-m-tolyl)-, γ-sultone

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Deleted or Replaced CAS Registry Numbers

32210-84-7

CAS INSIGHTSTM
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